Clarify `Box<T>` representation and its use in FFI#62514

Merged

bors merged 8 commits intorust-lang:masterfrom stephaneyfx:box-ffi

Dec 12, 2019

+53

Commits on Jul 10, 2019

Clarify Box<T> representation and its use in FFI
stephaneyfx
committed

Commits on Aug 26, 2019

Update Box representation comment based on reviews
stephaneyfx
committed

Commits on Nov 1, 2019

Update FFI example
stephaneyfx
committed

Commits on Dec 10, 2019

Commits on Dec 11, 2019

Fix description based on review
stephaneyfx
committed
clarify that Box<T> should only be used when defined *in Rust*
Nicholas Matsakis
committed